add some presentations

Author: markcmiller86

_presentations/harrison_05Aug24_atpesc_ascent.md

@@ -0,0 +1,15 @@
+---
+layout: presentation
+title: ATPESC 2024 Ascent Tutorial
+stem: 2024_08_05_ATPESC_Ascent_Intro
+has_image: true
+nbytes:
+  - 9728778
+sha256:
+  - 4c62fa350f4619210c61afe8f479f838cfeb015a9e992790f7ae268a08ed9bbd
+---
+These are the slides presented by
+[Cyrus Harrison](https://github.com/cyrush) for [Ascent](http://ascent-dav.org/) in the
+[visualization track](https://extremecomputingtraining.anl.gov/agenda-2024/#Track-4)
+of the 2024
+[Argone Training Program on Extreme Scale Computing (ATPESC)](https://extremecomputingtraining.anl.gov).

_presentations/harrison_05Aug24_atpesc_visit.md

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+---
+layout: presentation
+title: ATPESC 2024 VisIt Tutorial
+stem: 2024_08_05_ATPESC_VisIt_Intro
+has_image: true
+nbytes:
+  - 13405268
+sha256:
+  - 5885227cc10b1891f221263fd974f3cde3ade650e999b5cb4cf9e0a5e947c08b
+---
+These are the slides presented by
+[Cyrus Harrison](https://github.com/cyrush) for [VisIt](https://visit.llnl.gov) in the
+[visualization track](https://extremecomputingtraining.anl.gov/agenda-2024/#Track-4)
+of the 2024
+[Argone Training Program on Extreme Scale Computing (ATPESC)](https://extremecomputingtraining.anl.gov).